nav{
    position: sticky;
    top: 0;
}
.banner{
    height: 600px;
    width: 100%;
    background-color: black;
    margin-top: -80px;
    color: #999999;
    .content{
        padding-top: 10em;
        text-align: center;
        .title{
            font-family: osl;
            font: size 2.8em; ;
            span{
                color: #fcac45;
                font-family: osb;
            }
        }
        .info{
            font-family: osl;
            font-size: 1.2em;
            span{
                font-family: osb;
            }
        }
        
            a{
                color: #999999;
                text-decoration: none;
                .bottom{
                    height: 50px;
                    line-height: 50px;
                    width: 50px;
                    text-align: center;
                    border: 1px solid #999999;
                    border-radius: 50%;
                    margin: 0 auto;
                    font-size: 2em;
                    margin-top: 6em;
                    transition: all .5s;}
            }
        
        .bottom:hover{
            box-shadow: 0px 8px 20px 5px #999999;
            transform: translateY(-10px);
        }
    }
    
}
.about{
    width: 100%;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    .left{
        width: 45%;
        height: 600px;
        margin-top: 5%;
        display: flex;
    justify-content: center;
    align-items: center;
        // padding-top: 60px;
        img{
            width: 100%;
        }
    }
    .right{
        width: 45%;
        height: auto;
        padding-top: 130px;
        padding-bottom: 130px;
        .title{
            .small{
                color: #636363;
                font-size: 1em;
            }
            .big{
                font-size: 1.8em;
                text-transform: uppercase;
                font-family: osl;
                span:first-child{
                    border-bottom: 4px solid #fcac45;
                }
                span:last-child{
                    font-family: osb;
                }
            }
        }
        .info{
            width: 75%;
            padding-top: 30px;
            color: #808080;
            font-size: 1em;
            line-height: 23px;
        }
        ul{
            padding-top: 20px;
            padding-left: 0px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: space-evenly;
            padding-bottom: 50px;
            li{
                font-weight: 700;
                color: #7b7b7b;
                line-height: 25px;
                span{
                    font-style: italic;
                    font-weight: 500;
                    color: #656565;
                }
            }
        }
        .button{
            height: 50px;
            width: 200px;
            border: 1px gray solid;
           
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: space-evenly;
            text-transform: uppercase;
            font-size: .8em;
            font-family: osb;
            color: #656565;
            transition: all .5s ;
            
        }
        .button:hover{
            box-shadow: 0px 5px 5px 0px #656565;
            transform: translateY(-8px);
        }
    }
    
}

// 媒体查询
@media screen and (max-width:550px){
    .banner{
        .content{
            .title{
                font-size: 2em;
            }
            .info{
                font-size: 1em;
                padding-top: 20px;
            }
            
        }
    }
    .about{
        .right{
            .title{

            }
            .info{

            }
        }
    }
}

@media screen and (max-width:950px){
    .about{
        .left{
            display: none;
        }
        .right{
            width: 80%;
        }
    }
}
.team{
    height: auto;
    width: 100%;
    // border: 2px solid red;
    background-color: black;
    .title{
        color: white;
        font-size: 2em;
        text-align: center;
        padding-top: 90px;
        text-transform: uppercase;
        background: url(../img/title-background.png) no-repeat center bottom;
        padding-bottom: 30px;
    }
    
    .content{
        display: none;
        width: 90%;
        height: auto;
        margin: 0 auto;
        // border: 2px solid red;
        justify-content: space-evenly;
        color: white;
        
        .list{
            width: 22%;
            height: 350px;
            margin-top: 100px;
            // border: 2px solid red;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-evenly;
            .image{
                width: 150px;
                height: 150px;
                border-radius:50% ;
                overflow: hidden;
                img{
                    width: 150px;
                }
            }
            .name{
                h3{
                    font-size: 1.3em;
                }
                p{
                    font-size: 0.9em;
                }
            }
            .info{
                font-size: .8em;
            }
        }
    }
    input {
        // 隐藏
        display: none;
      }
    input:checked + .content {
        display: flex;
      }
      input#rad1:checked ~ .dots label#ra1,
      input#rad2:checked ~ .dots label#ra2,
      input#rad3:checked ~ .dots label#ra3 {
        background-color: #fcac45;
      }
    .dots{
        width: 200px;
        margin: 0 auto;
        height: 130px;
        // border: #fcac45 1px solid;
        text-align: center;
        line-height: 100px;
        .dot{
            height: 10px;
            width: 10px;
            display: inline-block;
            background-color: white;
            margin-left: 15px;
        }
        .dot:hover{
            background-color: #fcac45;
        }
    }
}
@media screen and (max-width:780px){
    .team{
        .content{
            flex-direction: column;
            .list{
                flex-direction: row;
                width: 100%;
                height: 200px;
                margin-top: 0px;
                .image{
                    width: 130px;
                    height: 130px;
                    img{
                        width: 130px;
                    }
                }
                .info{
                    width: 160px;
                }
                .name{
                    display: flex;
                    flex-direction: column;
                }
            }
        }
    }
}
.services{
    width: 100%;
    height: auto;
    margin: 0px auto;
    padding-top: 50px;
    padding-bottom: 100px;
    .title{
        h2{
            font-size: 2em;
            text-transform: uppercase;
            text-align: center;
            font-family: osl;
            background: url(../img/title-background.png) no-repeat center bottom;
            padding-bottom: 30px;
            span {
                font-family: osb;
              }
        }
        p {
            width: 50%;
            margin: 30px auto 0px;
            text-align: center;
            color: #6c6c6c;
            font-size: 0.9em;
          }
    }
    .content{
        width: 80%;
        height: 300px;
        margin: 0px auto;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-evenly;
        .list{
            width: 22%;
            height: 200px;
            margin-top: 100px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-evenly;
            .image{
                width: 100px;
                height: 100px;
                border-radius:50%;
                border:5px solid #fcac45;
                display: flex;
                justify-content: center;
                align-items: center;
                img{    
                    transform: scale(0.8);
                }
            }
            .name{
                h3{
                    font-size: 1.3em;
                    font-family: osb;
                    text-transform: uppercase;
                }
            }
            .info{
                font-size: .8em;
                width:60%;
            }

        }
    }
}
@media screen and(max-width:1050px){
    .services{
      .title{
        p{
          width: 80%;
        }
      }
        .content{
            height: auto;
            
           .list{
            width: 160px;
            height: auto;
           }
        }
    }
}
@media screen and (max-width:810px){
  .services{
    .content{
      .list{
        margin: 10px 30px 10px;
      }
    }
  }
}
.clients{
    width: 100%;
    height: auto;
    
    background-color: black;
    .title{
        padding-top: 70px;
        background: url(../img/title-background.png) no-repeat center bottom;
        padding-bottom: 25px;
        h2{
            color: white;
            text-align: center;
            font-family: osl;
            span{
                font-family: osb;
            }
        }

    }
    input {
        // 隐藏
        display: none;
      }
      input:checked + .content {
        display: flex;
      }
      
      input#cli1:checked ~ .dots label#lac1,
      input#cli2:checked ~ .dots label#lac2,
      input#cli3:checked ~ .dots label#lac3 {
        background-color: #fcac45;
      }
    .content{
        display: none;
        width: 60%;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-evenly;
        margin: 100px auto 60px;
        img{
            transform: scale(0.8);
            width: 164px;
            height: 27px;
        }
        
       
    }
    
    .dots{
        width: 200px;
        margin: 0 auto ;
        height: 130px;
        // border: #fcac45 1px solid;
        text-align: center;
        line-height: 100px;
        .dot{
            height: 10px;
            width: 10px;
            display: inline-block;
            background-color: white;
            margin-left: 15px;
        }
        .dot:hover{
            background-color: #fcac45;
        }
    }
}
.work{
    width: 100%;
    height: auto;
    .title{
        h1 {
            font-size: 2em;
            text-transform: uppercase;
            text-align: center;
            padding-top: 60px;
            font-family: osl;
            background: url(../img/title-background.png) no-repeat center bottom;
            padding-bottom: 30px;
            span {
              font-family: osb;
            }
          }
          p {
            width: 47%;
            margin: 30px auto 0px;
            text-align: center;
            color: #6c6c6c;
            font-style: italic;
            font-size: 0.9em;
          }
    }
    .list{
        width: 80%;
        height: auto;
        margin: 100px auto 80px;
        .top{
            display: flex;
            justify-content: space-between;
            padding-bottom: 40px;
            .left{
                color: black;
                text-transform: uppercase;
                font-family: osb;
            }
            .right{
                a{
                    color: #9f9f9f;
                    text-decoration: none;
                }
                a:hover{
                    color: black;
                }
            }
            .select {
                display: none;
              }
        }
        .bottom{
            width: 100%;
            height: auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-evenly;
            .image {
                margin-top: 20px;
                width: 260px;
                height: auto;
                position: relative;
                overflow: hidden;
                img {
                  width: 260px;
                }
                .gray {
                  height: 233px;
                  width: 260px;
                  background-color: black;
                  position: absolute;
                  top: 240px;
                  left: 0;
                  transition: all 0.7s;
                  .title{
                    padding-top: 50px;
                    h2{
                        font-size: 1.5em;
                        text-align: center;
                        color: white;
                        text-transform: uppercase;
                    }
                    h3{
                        margin: 0 auto;
                        text-align:center;
                        color: #999999;
                        font-size: 1em;
                    }
                  }
                  .jia{
                    margin: 30px auto;
                    width: 50px;
                    height: 50px;
                    text-align: center;
                    line-height: 43px;
                    color: #fcac45;
                    border-radius: 50%;
                    border: 3px solid #fcac45;
                    font-size: 3.5em;
                    font-family: osl;
                  }
                }
            }
            .image:hover .gray {
                top: 0;
            }
        }
    }
}
@media screen and (max-width:690px){
    .work {
        .list {
          .top {
            .right {
              display: none;
            }
            .select {
              display: block;
            }
          }
          .bottom {
            justify-content: space-around;
            .image {
              width:160px ;
              img {
                width: 160px;
              }
              .gray {
                width: 160px;
                .title{
                    padding-top: 0px;
                    h2{
                        font-size: 1em;
                    }
                }
                .jia{
                    width: 20px;
                    height: 20px;
                    line-height: 20px;
                    font-size: 1.6em;
                    border: 1px solid #fcac45;
                }
              }
            }
          }
        }
      }
}
@media screen and (max-width:500px) {
    .work {
        .title {
          h1 {
            font-size: 1.5em;
          }
        }
        .list {
          .top {
            .right {
              display: none;
            }
            .select {
              display: block;
            }
          }
          .bottom {
            .image {
              img {
                width: 130px;
              }
              .gray {
                width: 130px;
                .jia{
                  margin-top: 5px;
                }
              }
            }
          }
        }
    }
}
.test {
    width: 100%;
    height: auto;
    background-color: black;
    .title {
      text-align: center;
      padding-top: 100px;
      h2 {
        color: white;
        font-size: 2em;
        text-transform: uppercase;
        background: url(../img/title-background.png) no-repeat center bottom;
        padding-bottom: 30px;
        span {
          font-family: osl;
        }
      }
    }
    input {
        // 隐藏
        display: none;
      }
      input:checked + .content {
        display: block;
      }
      input#con1:checked ~ .dots label#la1,
      input#con2:checked ~ .dots label#la2,
      input#con3:checked ~ .dots label#la3 {
        background-color: #fcac45;
      }
    .content {
      display: none;
      width: 60%;
      margin: 0 auto;
      text-align: center;
      .top {
        color: white;
        padding-top: 95px;
        font-size: 1.1em;
      }
      .bottom {
        color: #7b7b7b;
        padding-top: 60px;
      }
    }
    .dots {
        width: 50%;
        margin: 0px auto;
        height: 30px;
        padding-top: 50px;
        padding-bottom: 110px;
      
        text-align: center;
        .dot {
          display: inline-block;
          width: 10px;
          height: 10px;
          margin-left: 15px;
          background-color: white;
        }
        .dot:hover {
          background-color: #fcac45;
        }
      }
  }
  @media screen and (max-width: 1000px) {
    .test {
      .content {
        width: 80%;
      }
    }
  }
  @media screen and (max-width: 500px) {
    .test {
      .title {
        h2 {
          font-size: 1.5em;
        }
      }
    }
  }
  .contact{
    width: 100%;
    height: auto;
    text-align: center;
    padding-bottom: 50px;
    .title{
        padding-top: 80px;
         h1{
        font-size: 2em;
        text-transform: uppercase;
        font-family: osl;
        background: url(../img/title-background.png) no-repeat center bottom;
        padding-bottom: 40px;
        span{
            font-family: osb;
        }
        }
    }
   .content{
    font-size: 1.2em;
    width: 57%;
    margin: 0 auto ;
    color: #6a6969;
    padding-top: 50px;
    font-style: italic ;
    font-family: none;
   }
   .push {
    width: 60%;
    height: auto;
    // border: 1px solid red;
    margin: 100px auto 0px;
    text-align: left;
    .top {
      display: flex;
      justify-content: space-between;
      .one {
        width: 48%;
        padding-bottom: 38px;
        .font {
          padding-bottom: 10px;
          p {
            color: #7b7b7b;
            span {
              color: red;
            }
          }
        }
        .inp {
          input {
            height: 40px;
            width: 100%;
          }
        }
      }
    }
    .bottom {
      .font {
        padding-bottom: 10px;
        p {
          color: #7b7b7b;
          span {
            color: red;
          }
        }
      }
      .tex {
        textarea {
          height: 200px;
          width: 100%;
        }
      }
    }
    .but {
      text-align: right;
      margin: 30px;
      button {
        width: 150px;
        height: 40px;
        background-color: #fcac45;
        border: 0;
        color: white;
        text-transform: uppercase;
      }
      button:hover{
        box-shadow: 0px 5px 5px 0px #656565;
        transform: translateY(-8px);
      }
    }
}
  }
  @media screen and (max-width: 930px) {
    .contact {
      .content {
        width: 85%;
      }
      .push {
        width: 85%;
      }
    }
  }
  @media screen and (max-width: 630px) {
    .contact {
      .push {
        .top {
          flex-direction: column;
          .one {
            width: 100%;
          }
        }
      }
    }
  }
  .push{
    width: 60%;
    height: auto;
    text-align:left;
    margin: 0 auto;
    .top{
        display: flex;
        justify-content: space-between;
        .one{
            width: 48%;
            span{
                color: red
            }
            .inp{
            input{
                height: 40px;
                width: 100%;
            }
        }
        }  
    }
    .bottom{
        .font{
            p{
                color: #7b7b7b;
                span{
                    color: red;
                }
            }
        }
        .tex{
            textarea{
                height: 300px;
                width: 100%;
            }
        }
    }
    .but{
        text-align: right;
        margin-top: 30px;
        button{
            width: 150px;
            height: 40px;
            background-color: #fcac45;
            color: white;
            line-height: 40px;
            text-transform: uppercase;
            border: none;
        }
    }
  }
.foot{
    height: auto;
    width: 100%;
    background-color: black;
    display: flex;
    justify-content: space-around;
    .left{
     
        color: #9f9f9f;
        height: 80px;
        line-height: 80px;
        span {
            font-family: osb;
            font-weight:600;
            font-size: 1.1em;
        }
    }
    .right{
        width: 260px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        .list{
            border: 3px solid #9f9f9f;
            border-radius: 50%;
            transition: all 0.3s;
        }
        .list:hover {
            box-shadow: 0px 8px 10px #9f9f9f;
            transform: translateY(-5px);
          }
    }
}
@media screen and (max-width: 800px) {
    .foot {
      flex-direction: column;
      align-items: center;
      .left{
        height: auto;
        line-height: 30px;
        text-align: center;
      }
    }
  }
